You can borrow this book. Make sure you return it by Friday.

A. If you don’t return this book by Friday, you can borrow it.

B. You can borrow this book so long as you return it by Friday.

C. You could borrow this book if you didn’t return it by Friday.

D. If only you had returned this book by Friday, you could have borrowed it.

Đáp án
B. You can borrow this book so long as you return it by Friday.

Câu hỏi thuộc Bài tập:

[017] - Bài tập Luyện thi Tiếng Anh THPT Quốc gia - Chuyên đề: CÂU ĐIỀU KIỆN (Bài tập 1)